Adobe updater tried to update Lightroom but it didn't finished. After this try i can't open the program anymore.
Suggestion what to do are welcome
Download LR manually and install manually.
Adobe - Lightroom : For Windows
Adobe - Lightroom : For Macintosh
For more help, you should post the OS and version and all information you have at your hand concerning LR, like error messages etc.
Thanks, it's running again.
Retrieving data ...